A-LevelBiologyBiological molecules9700/12 · Feb/Mar 2017 · Q101 Mark
Some of the molecules found in animal tissues are grouped into three lists. 1 glucose, cholesterol, triglycerides, water 2 glycogen, antibodies, adenine, phospholipids 3 haemoglobin, carbon dioxide, mRNA, monosaccharides Which lists include one or more molecules that always contain nitrogen atoms?
A1, 2 and 3
B1 and 2 only
C1 and 3 only
D2 and 3 only
✓ Correct answer
D: 2 and 3 only
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